Added unit tests and integration tests

src/main/resources/helm/students-api/Chart.lock

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+dependencies:
+- name: mongodb
+  repository: https://charts.bitnami.com/bitnami
+  version: 10.7.0
+digest: sha256:da7826bc0d23109b4d1dc34352c678835d69d4f690bcf0ce6da22eb98b74ca7f
+generated: "2021-03-18T01:07:07.7375873-07:00"

src/test/java/com/example/openapi/students/repository/StudentsRepositoryTest.java

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+package com.example.openapi.students.repository;
+
+import com.example.openapi.students.db.model.Student;
+import lombok.extern.slf4j.Slf4j;
+import org.junit.AfterClass;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.autoconfigure.mongo.embedded.EmbeddedMongoAutoConfiguration;
+import org.springframework.boot.test.autoconfigure.data.mongo.DataMongoTest;
+import org.springframework.test.context.DynamicPropertyRegistry;
+import org.springframework.test.context.DynamicPropertySource;
+import org.testcontainers.containers.MongoDBContainer;
+import org.testcontainers.junit.jupiter.Container;
+import org.testcontainers.junit.jupiter.Testcontainers;
+
+import java.util.Arrays;
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+/**
+ * Test class for Student Repository to test custom methods
+ * @author Kiran
+ * @since 4/3/2021
+ */
+@Testcontainers
+@DataMongoTest(excludeAutoConfiguration = EmbeddedMongoAutoConfiguration.class)
+@Slf4j
+class StudentsRepositoryTest {
+    /* Variable to ensure bootstrapping of repository is done only once */
+    private static boolean bootstrapped = false;
+    @Container
+    static MongoDBContainer mongoDBContainer =
+            new MongoDBContainer("mongo:4.4.4");
+
+    @DynamicPropertySource
+    static void setProperties(DynamicPropertyRegistry registry) {
+        mongoDBContainer.start();
+        registry.add("spring.data.mongodb.uri", mongoDBContainer::getReplicaSetUrl);
+        log.info("spring.data.mongodb.uri -> " + mongoDBContainer.getReplicaSetUrl());
+    }
+
+    @Autowired
+    private StudentsRepository studentsRepository;
+
+    @BeforeEach
+    public void beforeSetupTest(){
+        bootstrapRepository();
+    }
+
+    @AfterClass
+    public static void cleanUp(){
+        mongoDBContainer.stop();
+    }
+
+    @Test
+    void testFindByName(){
+        List<Student> studentList = this.studentsRepository.findByName("Test");
+        assertEquals(1, studentList.size());
+    }
+
+    @Test
+    void testFindByAge(){
+        List<Student> studentList = this.studentsRepository.findByAge(22);
+        assertEquals(2, studentList.size());
+    }
+
+    /**
+     * Load the repository with data
+     */
+    private void bootstrapRepository(){
+        if(!bootstrapped) {
+            log.info("Before Bootstrapping the repository........");
+            Student student = new Student();
+            student.setStudentid(1);
+            student.setName("Test");
+            student.setAge(22);
+            //this.studentsRepository.save(student);
+
+            Student student2 = new Student();
+            student2.setStudentid(2);
+            student2.setName("Test2");
+            student2.setAge(22);
+            List<Student> studentList = Arrays.asList(student, student2);
+            this.studentsRepository.insert(studentList);
+            bootstrapped = true;
+            log.info("Bootstrapped the repository........");
+        }
+
+    }
+
+}

src/test/resources/application.yml

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+spring:
+  application:
+    name: students-api
+  data:
+    mongodb:
+      uri: mongodb://localhost:27017/test

src/test/resources/logback-spring.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <property name="LOGS" value="./logs" />
+    <appender name="Console"
+              class="ch.qos.logback.core.ConsoleAppender">
+        <layout class="ch.qos.logback.classic.PatternLayout">
+            <Pattern>
+                %black(%d{ISO8601}) %highlight(%-5level) [%blue(%t)] %yellow(%C{1.}): %msg%n%throwable
+            </Pattern>
+        </layout>
+    </appender>
+    <appender name="RollingFile"
+              class="ch.qos.logback.core.rolling.RollingFileAppender">
+        <file>${LOGS}/students-api-logger.log</file>
+        <encoder
+                class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
+            <Pattern>%d %p %C{1.} [%t] %m%n</Pattern>
+        </encoder>
+        <rollingPolicy
+                class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
+            <!-- rollover daily and when the file reaches 1 MegaBytes -->
+            <fileNamePattern>${LOGS}/archived/students-api-logger-%d{yyyy-MM-dd}.%i.log
+            </fileNamePattern>
+            <timeBasedFileNamingAndTriggeringPolicy
+                    class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
+                <maxFileSize>1MB</maxFileSize>
+            </timeBasedFileNamingAndTriggeringPolicy>
+        </rollingPolicy>
+    </appender>
+
+    <!-- LOG everything at INFO level -->
+    <root level="info">
+        <appender-ref ref="RollingFile" />
+        <appender-ref ref="Console" />
+    </root>
+
+    <logger name="com.example.openapi.students" level="debug" additivity="false">
+        <appender-ref ref="RollingFile" />
+        <appender-ref ref="Console" />
+    </logger>
+
+</configuration>